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Soon I will conduct an experiment involving the population growth of yeast. Nonetheless, I am not sure how long should I let my experiment running for, nor do I know at which intervals should I measure the optical density of my yeast (using a colormeter). Can someone please give me some advice? I also wanted to measure the population of yeast using a microscope, but I really do not know how to do so. Can someone also explain this to me?

I want to produce a curve like this one:

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  • $\begingroup$ I am measuring yeast population growth (in order to make a graph like the one displayed in the question), I want consistent and accurate results. I am measuring the population both ways because those are the tools I have. I do not understand your question of "how precise do you need to be?" Regarding the question, it is one question itself, I just broke it up into pieces. $\endgroup$ – Brian Blumberg Dec 22 '18 at 0:16

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